Add 50" to the length of the Indoor/Outdoor Home Antenna Cable. Easy setup: Simply place the Indoor/Outdoor Home Antenna where the strongest signal is. For use indoors or out: Weather-resistant rubber cover protects the connection to the Home Antenna. Boost the signal: An in-line signal amplifier boosts the signal strength through the length of the combined cable. Portable and SIRIUS|XM MiRGE Radio Home Kits and Sound Systems as well as all SIRIUS-ready Tuners. For use with single input Sirius receivers Provides and additional 50 feet of cable, Weather Resistant